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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace App\Domain\Admin\Service; |
| 6 | |
| 7 | use App\Domain\Funds\Repository\FundsRepository; |
| 8 | use App\Domain\Transaction\Repository\TransactionRepository; |
| 9 | use InvalidArgumentException; |
| 10 | use PDO; |
| 11 | |
| 12 | final readonly class AdminBalanceUpdateService |
| 13 | { |
| 14 | public function __construct( |
| 15 | private PDO $pdo, |
| 16 | private TransactionRepository $transactionRepository, |
| 17 | private FundsRepository $fundsRepository, |
| 18 | ) { |
| 19 | } |
| 20 | |
| 21 | /** |
| 22 | * Manually adjust investor balance in a fund |
| 23 | */ |
| 24 | public function adjustBalance( |
| 25 | int $userId, |
| 26 | string $fundId, |
| 27 | string $transactionType, |
| 28 | string $amount, |
| 29 | string $effectiveDate, |
| 30 | string $internalNote, |
| 31 | int $adminUserId, |
| 32 | bool $notifyInvestor = false, |
| 33 | ): array { |
| 34 | // Validate transaction type |
| 35 | $validTypes = ['deposit', 'withdrawal', 'gain', 'loss', 'fee', 'adjustment']; |
| 36 | if (!in_array($transactionType, $validTypes)) { |
| 37 | throw new InvalidArgumentException('Invalid transaction type: ' . $transactionType); |
| 38 | } |
| 39 | |
| 40 | // Verify fund exists |
| 41 | $fund = $this->fundsRepository->findFundById($fundId); |
| 42 | if (!$fund) { |
| 43 | throw new InvalidArgumentException('Fund not found: ' . $fundId); |
| 44 | } |
| 45 | |
| 46 | // Create transaction directly |
| 47 | $transactionId = $this->createTransaction( |
| 48 | userId: $userId, |
| 49 | fundId: $fundId, |
| 50 | type: ucfirst($transactionType), |
| 51 | amount: $amount, |
| 52 | note: $internalNote, |
| 53 | effectiveDate: $effectiveDate, |
| 54 | adminUserId: $adminUserId, |
| 55 | ); |
| 56 | |
| 57 | // Update allocation current_value |
| 58 | $this->updateAllocationCurrentValue($userId, $fundId, (float)$amount, $transactionType); |
| 59 | |
| 60 | return [ |
| 61 | 'id' => $transactionId, |
| 62 | 'userId' => $userId, |
| 63 | 'fundId' => $fundId, |
| 64 | 'type' => $transactionType, |
| 65 | 'amount' => $amount, |
| 66 | 'status' => 'completed', |
| 67 | 'effectiveDate' => $effectiveDate, |
| 68 | 'notifyInvestor' => $notifyInvestor, |
| 69 | 'createdAt' => date('c'), |
| 70 | ]; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Create a transaction directly in the database |
| 75 | */ |
| 76 | private function createTransaction( |
| 77 | int $userId, |
| 78 | string $fundId, |
| 79 | string $type, |
| 80 | string $amount, |
| 81 | string $note, |
| 82 | string $effectiveDate, |
| 83 | int $adminUserId, |
| 84 | ): string { |
| 85 | $sql = ' |
| 86 | INSERT INTO fund_transactions ( |
| 87 | user_id, fund_id, type, amount, status, note, effective_date, created_by |
| 88 | ) VALUES ( |
| 89 | :user_id, :fund_id, :type, :amount, :status, :note, :effective_date, :created_by |
| 90 | ) |
| 91 | RETURNING id |
| 92 | '; |
| 93 | |
| 94 | $stmt = $this->pdo->prepare($sql); |
| 95 | if ($stmt === false) { |
| 96 | throw new InvalidArgumentException('Failed to prepare transaction insert statement'); |
| 97 | } |
| 98 | |
| 99 | $stmt->bindValue(':user_id', $userId); |
| 100 | $stmt->bindValue(':fund_id', $fundId); |
| 101 | $stmt->bindValue(':type', $type); |
| 102 | $stmt->bindValue(':amount', $amount); |
| 103 | $stmt->bindValue(':status', 'Completed'); |
| 104 | $stmt->bindValue(':note', $note); |
| 105 | $stmt->bindValue(':effective_date', $effectiveDate); |
| 106 | $stmt->bindValue(':created_by', $adminUserId); |
| 107 | |
| 108 | $stmt->execute(); |
| 109 | $result = $stmt->fetch(PDO::FETCH_ASSOC); |
| 110 | |
| 111 | if (!$result) { |
| 112 | throw new InvalidArgumentException('Failed to create transaction'); |
| 113 | } |
| 114 | |
| 115 | return (string) $result['id']; |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Update allocation current value |
| 120 | */ |
| 121 | private function updateAllocationCurrentValue(int $userId, string $fundId, float $amount, string $transactionType): void |
| 122 | { |
| 123 | // Determine if this is an addition or subtraction to current_value |
| 124 | $adjustment = $amount; |
| 125 | if (in_array($transactionType, ['withdrawal', 'loss', 'fee'])) { |
| 126 | $adjustment = -$amount; |
| 127 | } |
| 128 | |
| 129 | $sql = ' |
| 130 | UPDATE allocations |
| 131 | SET current_value = current_value + :adjustment |
| 132 | WHERE user_id = :userId |
| 133 | AND fund_id = :fundId |
| 134 | '; |
| 135 | |
| 136 | $stmt = $this->pdo->prepare($sql); |
| 137 | if ($stmt === false) { |
| 138 | throw new InvalidArgumentException('Failed to prepare allocation update statement'); |
| 139 | } |
| 140 | |
| 141 | $stmt->execute([ |
| 142 | 'adjustment' => $adjustment, |
| 143 | 'userId' => $userId, |
| 144 | 'fundId' => $fundId, |
| 145 | ]); |
| 146 | } |
| 147 | |
| 148 | /** |
| 149 | * Get adjustment history for auditing |
| 150 | */ |
| 151 | public function getAdjustmentHistory(int $userId, ?string $fundId = null, int $limit = 50): array |
| 152 | { |
| 153 | $sql = ' |
| 154 | SELECT |
| 155 | t.id::TEXT as "id", |
| 156 | t.user_id::TEXT as "userId", |
| 157 | t.fund_id::TEXT as "fundId", |
| 158 | t.type as "type", |
| 159 | t.amount::TEXT as "amount", |
| 160 | t.status, |
| 161 | t.note as "note", |
| 162 | t.effective_date as "effectiveDate", |
| 163 | t.created_at as "createdAt", |
| 164 | f.name as "fundName" |
| 165 | FROM fund_transactions t |
| 166 | JOIN funds f ON t.fund_id = f.id |
| 167 | WHERE t.user_id = :user_id |
| 168 | '; |
| 169 | |
| 170 | $params = ['user_id' => $userId]; |
| 171 | |
| 172 | if ($fundId) { |
| 173 | $sql .= ' AND t.fund_id = :fund_id'; |
| 174 | $params['fund_id'] = $fundId; |
| 175 | } |
| 176 | |
| 177 | $sql .= ' ORDER BY t.created_at DESC LIMIT :limit'; |
| 178 | |
| 179 | $stmt = $this->pdo->prepare($sql); |
| 180 | if ($stmt === false) { |
| 181 | throw new InvalidArgumentException('Failed to prepare query'); |
| 182 | } |
| 183 | |
| 184 | foreach ($params as $key => $value) { |
| 185 | $stmt->bindValue($key, $value); |
| 186 | } |
| 187 | $stmt->bindValue(':limit', $limit, PDO::PARAM_INT); |
| 188 | |
| 189 | $stmt->execute(); |
| 190 | $rows = $stmt->fetchAll(PDO::FETCH_ASSOC); |
| 191 | |
| 192 | return $rows ?: []; |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Get investor's current allocations |
| 197 | */ |
| 198 | public function getInvestorAllocations(int $userId): array |
| 199 | { |
| 200 | $sql = ' |
| 201 | SELECT |
| 202 | a.id::TEXT as "id", |
| 203 | a.fund_id::TEXT as "fundId", |
| 204 | f.name as "fundName", |
| 205 | a.invested_amount::TEXT as "investedAmount", |
| 206 | a.current_value::TEXT as "currentValue", |
| 207 | a.units::TEXT as "units", |
| 208 | a.created_at as "createdAt" |
| 209 | FROM allocations a |
| 210 | JOIN funds f ON a.fund_id = f.id |
| 211 | WHERE a.user_id = :user_id |
| 212 | ORDER BY a.created_at DESC |
| 213 | '; |
| 214 | |
| 215 | $stmt = $this->pdo->prepare($sql); |
| 216 | if ($stmt === false) { |
| 217 | throw new InvalidArgumentException('Failed to prepare query'); |
| 218 | } |
| 219 | |
| 220 | $stmt->execute(['user_id' => $userId]); |
| 221 | $rows = $stmt->fetchAll(PDO::FETCH_ASSOC); |
| 222 | |
| 223 | return $rows ?: []; |
| 224 | } |
| 225 | } |